Could you please describe your application: lxR]Bh+ 1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... _]0<G8|Rv 2, is the fiber single mode or multimode? what is the NA, core dia,... 5n e&6 !bn=b>+ Generally, fiber coupling efficiency of 40%~90% is reasonable. A":cS }Ui 2LCOB&-Ww Again let us know your specific bug. < 7*9b )3 '8T>^<K MANG2004 jZe/h#J)[